import inputTest


def test_split():
    # split就是根据输入的字符串来分割原始字符串
    a = "1,2,3,4,5"
    b = a.split(",")
    print(f"b = {b}")


if __name__ == '__main__':
    test_split()
    inputTest.testImport()

    score = int(input("请输入成绩："))
    if score >= 90:
        print("您的成绩级别为 A ")
    elif 90> score >= 80:
        print("您的成绩级别为 B ")
    elif 80> score >= 70:
        print("您的成绩级别为 C ")
    else:
        print("您的成绩级别为 D ")